Cap 557: What caused this Kingdom to fall

As soon as we entered this city we soon fell into some kind of illusion or should I say that I activated this illusion somehow, Ragnar and Hela say that this is not an illusion, Ragnar even says that it looks more like some kind of memory than the Ghosts do by continually reliving certain events. 

It was in this strange environment that that thing appeared through the gates of the capital city. 

I was shocked by the appearance of the monster which was some kind of crocodile with a humanoid head and tentacles instead of limbs entered the city, its body seemed to be made of a thick liquid substance that somehow managed to take the shape of this monster. 

Screams! Screams!!! 

"■□□•°■□●°" 

Before this monster appeared no sound could be heard, the first sound I heard was the city gate being destroyed, after that, it was the screams of fear and despair of people who started to speak in a language I don't know. 

Rooooaarrrrr!!!!!!